Converting select dropdown options into horizontal row & making Country code in number field

Hi There!

I am new on webflow, actually I am facing an issue in the form, I have the design of the form and I have to follow that design, I have successfully created the form but the only issue I’m facing is that how we can add dropdown for country code in the number field and second is that how we can convert select options into a horizontal row like buttons…

here is the link of my site (For Doctors) on which I’m currently working and below is the image of actual form design which i have to be follow…

(https://www.figma.com/file/CigRX1dsPpM45sydc5MzN5/Untitled?node-id=1%3A2&t=WHi7pm2PsAaJLGtX-1)

Re international phone number’s;

Re custom radio buttons;